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Fig. 2 | Respiratory Research

Fig. 2

From: COPD profiles and treatable traits using minimal resources: identification, decision tree and stability over time

Fig. 2

Graphical representation of the four profiles of people with COPD (n = 352) identified. A colour grade system of red (worst), yellow and green (better) was used to facilitate the clinical interpretation of each variable across profiles. Percentage of people on non-invasive ventilation (NIV), long-term oxygen therapy (LTOT), with anxiety/depression symptoms or with impairment are indicated in blue. BMI body mass index, CAT COPD Assessment Test, FEV1 forced expiratory volume in 1 s, HADS-A and HADS-D The Hospital Anxiety and Depression Anxiety and Depression Subscales, LTOT Long-Term Oxygen Therapy, mMRC Modified British Medical Research Council questionnaire, NIV Non-Invasive Ventilation, QMS Quadriceps muscle strength, SGRQ Saint George’s Respiratory Questionnaire, 1minSTS 1-min Sit-to-Stand Test

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